html body{
	width: 100%;
	height: 100%;
	overflow:hidden;
	margin:0 0 0 0;
	padding:0 0 0 0;
	background-color: #AAAAAA;
}
/*左侧背景图*/
.menu-head {
	background: #454d55;
	width: 286px;
	height: 100%;
	font-weight: bold;
	color: white;
	float: left;
}
/*身体设置*/
.dt-mo{
	width: calc(100% - 286px);
	height: 100%;
	float: left;
}
/*固定获取登录用户的div*/
.login-user-box{
	margin: 0.5% 0.5% 0.5% 0.5% ;
	width: 99%;
	height: 5%;
	background-color: white;
	display: flex;
	align-items: center;
}
.login-user-box #selectTreetitle{
	color: var(--blue);
	width: 20%;
	font-weight: bold;
	float: left;
}

/*左边导航栏树 begin*/
.main_menu_box{
	height:70px; 
	line-height: 70px;
	cursor: pointer;
}

.sub_menu_box {
	cursor: pointer;
	padding-left: 130px;
	height: 50px;
	line-height: 50px;
}

.list_box {
	background-repeat:no-repeat;
	background-position:left;
	margin-left:75px;
	padding-left:40px;

}

.arrow {
	display: block;
	margin-right: 30px;
	background: url("./../icons/arrow.png") no-repeat right center;
}

.menu_on_item{
	background-color: var(--blue);
}
/*左边导航栏树 end*/
.dt-mo .menu-body{
	margin: 0 0.5% 0.2% 0.5% ;
	width: 99%;
	height: 92.8%;
	background-color: white;
}

.hold_cnt {
	position: absolute;
	color: #FFFFFF;
	background: #FF0000;
	z-index: 2;
	top: 8px;
	right: 135px;
	height: 30px;
	min-width: 30px;
	border-radius: 15px;
	line-height: 30px;
	text-align: center;
	padding: 0px 5px 0px 2px;
}

.list_item>span {
	position: relative;
	z-index:1;
}